<template>
  <div>
    <city-header></city-header>
    <city-search></city-search>
    <city-list
      :cities="cities"
      :hotCities="hotCities"
      :letter="letter"
    ></city-list>
    <city-alphabet
      :cities="cities"
      @change="handleLetterChange"
    >
    </city-alphabet>
  </div>
</template>

<script>
  import axios from 'axios'
  import CityHeader from './components/Header'
  import CitySearch from './components/Search'
  import CityList from './components/List'
  import CityAlphabet from './components/Alphabet'
    export default {
        name: "City",
      components:{
        CityHeader,
        CitySearch,
        CityList,
        CityAlphabet
      },
      data (){
          return{
            cities:{},
            hotCities:[],
            letter:''
          }
      },
      methods:{
          getCityInfo(){
            axios.get('/api/city.json')
              .then(this.handleGetCityInfoSucc)
          },
        handleGetCityInfoSucc(res){
          res=res.data
          if(res.ret && res.data){
            const data=res.data
            this.cities=data.cities
            this.hotCities=data.hotCities
          }
        },
        handleLetterChange(letter){
            this.letter=letter
        }
      },
      mounted (){
       this.getCityInfo()
      }
    }
</script>

<style scoped>

</style>
